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Grade: Ultra-High Molecular Weight (UHMWPE)
Formula: UHMWPE, HMPE, HPPE
Form: Granule
Material: Polyethylene (PE)
CAS Number: 9002-88-4
Commodity: Polymers
Nominal Granule Size:
2mm
Color:
Natural
UHMWPE Granules are base polymer feedstock used for molding and extrusion, composed of ultra-high-molecular-weight polyethylene with exceptionally long polymer chains. Known for their outstanding wear resistance, toughness, and low coefficient of friction, these granules form the foundation of high-performance UHMWPE components. Industries including biomedical, automotive, and heavy machinery use UHMWPE granules to produce durable, low-maintenance parts. Specific applications include artificial joint bearings, conveyor belt liners, and wear-resistant gears. In research, UHMWPE granules are studied for polymer processing optimization, blending with other polymers or nanoparticles, and tailoring properties for additive manufacturing. Their superior durability, resistance to impact and chemicals, and adaptability for diverse shaping methods ensure UHMWPE granules remain critical feedstock for high-strength, wear-resistant applications.
Material Properties for Polymers
Chemical Resistance
| Element | Value |
|---|---|
| Acids - concentrated | Good-Fair |
| Acids - dilute | Good |
| Alcohols | Good |
| Alkalis | Good |
| Aromatic hydrocarbons | Fair |
| Greases and Oils | Good-Fair |
| Halogenated Hydrocarbons | Fair-Poor |
| Halogens | Fair-Poor |
| Ketones | Good-Fair |
Mechanical Properties
| Element | Value |
|---|---|
| Coefficient of friction | 0.1-0.2 |
| Hardness - Rockwell | R50-70 |
| Poisson's ratio | 0.46 |
| Elongation at break( % ) | 500 |
| Tensile modulus( GPa ) | 0.2-1.2 |
| Izod impact strength( J m⁻¹ ) | 1000 |
| Tensile strength( MPa ) | 20-40 |
Electrical Properties
| Element | Value |
|---|---|
| Dielectric constant @1MHz | 2.3 |
| Dissipation factor @ 1MHz | 1-10x 10⁻⁴ |
| Dielectric strength( kV mm⁻¹ ) | 28 |
| Surface resistivity( Ohm/sq ) | 10¹³ |
| Volume resistivity( Ohmcm ) | 10¹⁸ |
Physical Properties
| Element | Value |
|---|---|
| Flammability | HB |
| Radiation resistance | Fair |
| Resistance to Ultra-violet | Poor |
| Limiting oxygen index( % ) | 17 |
| Water absorption - over 24 hours( % ) | 0.01 |
| Density( gcm⁻³ ) | 0.94 |
Thermal Properties
| Element | Value |
|---|---|
| Heat-deflection temperature - 0.45MPa( C ) | 69 |
| Heat-deflection temperature - 1.8MPa( C ) | 42 |
| Upper working temperature( C ) | 55-95 |
| Specific heat( J K⁻¹ kg⁻¹ ) | 1900 |
| Thermal conductivity( W m⁻¹ K⁻¹ ) | 0.42-0.51@23°C |
| Coefficient of thermal expansion( x10⁻⁶ K⁻¹ ) | 130-200 |
Other Customers Purchased
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LDPE Powder Formula: LDPE
Maximum Particle Size: 300µm
Weight: 10000g
Colour: Natural
CAS Number: 9002-88-4
UOM Code: 893-777-41
eachStarting at $176.00
Discounts applied for volume purchases -
Yttria-stabilized Zirconia Granules Formula: ZrO₂/Y₂O₃
Nominal Granule Size: 2mm
Weight: 500g
Stabilised With: 8% Yttria
CAS Number: 114168-16-0
UOM Code: 254-458-97
eachStarting at $176.00
Discounts applied for volume purchases -
UHMWPE Powder Formula: UHMW PE
Mean Particle Size: 150µm
Weight: 200g
Molecular Weight: ~5000k g/mol
CAS Number: 9002-88-4
UOM Code: 021-062-89
eachStarting at $187.00
Discounts applied for volume purchases -
each
Starting at $186.00
Discounts applied for volume purchases -
LDPE Rod Formula: LDPE
Diameter: 63.5mm
Length: 500mm
Colour: Natural
CAS Number: 9002-88-4
UOM Code: 018-502-28
eachStarting at $233.00
Discounts applied for volume purchases -
each
Starting at $225.00
Discounts applied for volume purchases
